Engineers from the Centre for Alternative...
The end of Cwm Elan house, Elan Valley, 1904
Engraving of Knucklas railway viaduct, c. 1865
Cwm Elan house, lost to the Elan Valley dams...
George Thomas Clark (1809-1898), by Joseph Edwards
Richard Eustace Tickell, 'The Vale of...
The Triumph of Science. An account of the...
Chair used by Thomas Telford at the George...
The engine room, Dinas Mawddwy Woollen Factory,...